/*
 moxl - Modular XML Library
 Copyright (c) 2007, Malcolm Sparks

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package moxl.parser.markup.states;

import moxl.parser.ParserException;
import moxl.parser.assemblers.comment.CommentAssembler;
import moxl.parser.markup.Markup;
import moxl.parser.markup.types.EndOfDocumentMarkup;
import moxl.parser.markup.types.WhitespaceMarkup;
import moxl.tokenizer.Token;
import moxl.tokenizer.TokenStream;
import moxl.tokenizer.TokenizerException;
import moxl.tokenizer.xml.XmlTokenType;

public class PostambleStateDelegate implements XmlDocumentParserStateDelegate
{
	public Markup parseNextMarkupFromStream(TokenStream tstream, XmlParserContext ctx) throws ParserException, TokenizerException
	{
		Token nextToken = tstream.lookahead(1);

		if (nextToken == null)
		{
			return new EndOfDocumentMarkup();
		}

		switch ((XmlTokenType) nextToken.getType())
		{
		case OPEN_COMMENT:
			return new CommentAssembler().assembleMarkupFromStream(tstream);

		case SPACE:
		case WHITESPACE:
			return new WhitespaceMarkup(tstream.read());

		default:
			throw new ParserException("Unexpected token: " + nextToken, nextToken.getLocation());
		}
	}

}
